@@ -34,7 +34,7 @@ jobs:

             // a security gate, just a helpful check for maintainers.

             const ref = touchesVersions

               ? context.payload.pull_request.head.sha

-              : context.payload.pull_request.base.sha;

+              : context.payload.pull_request.base.ref;

             core.info(`Base ref: ${ref}`);